{"product_id":"ssc50d-s2121-yokogawa-prosafe-rs-sis-redundant-controller-premium","title":"SSC50D-S2121 Yokogawa ProSafe-RS SIS Redundant Controller Premium","description":"\u003ch3\u003e\u003cstrong\u003eSSC50D-S2121 Technical Product Overview\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eThe \u003cstrong\u003e\u003cspan style=\"color: #003366;\"\u003eYokogawa SSC50D-S2121\u003c\/span\u003e\u003c\/strong\u003e is a high-availability Duplexed Safety Control Unit designed for the ProSafe-RS Safety Instrumented System (SIS) architecture. This 19-inch rack-mounted controller serves as the primary processing node for critical safety loops, running emergency shutdown (ESD) logic, fire and gas (F\u0026amp;G) monitoring, and burner management configurations. Operating natively on Yokogawa's deterministic Vnet\/IP control network matrix, the \u003cstrong\u003e\u003cspan style=\"color: #003366;\"\u003eSSC50D-S2121\u003c\/span\u003e\u003c\/strong\u003e ensures real-time fault isolation and rapid execution of safety functions.\u003c\/p\u003e\n\u003cp\u003eTo support deployment in severe processing environments, this unit features industrial-grade G3 conformal anti-corrosion coating as standard hardware configuration. The processing architecture achieves high-level functional safety compliance, holding an official TÜV AK6 certification to handle severe single-point hardware faults without dropping critical process lines.\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003eGlobal PLC Spare HUB's Insight\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eThe \u003cstrong\u003e\u003cspan style=\"color: #003366;\"\u003eYokogawa SSC50D-S2121\u003c\/span\u003e\u003c\/strong\u003e stands out as a robust safety solution due to its true dual-modular redundant processing path. Unlike standard fault-tolerant controllers that utilize software voting, this unit executes hardware-layer synchronization directly across twin internal main processor boards over the Vnet\/IP bus. The inclusion of factory G3 chemical mitigation means this assembly is highly resilient against sulfur and chlorine vapors. This makes it an ideal choice for wastewater treatment areas, gas sweetening units, or offshore production skids where standard controller boards suffer from premature trace corrosion.\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003eConfiguration Breakdown\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSSC50D\u003c\/strong\u003e [Base Model Class]\n\u003cul\u003e\n\u003cli\u003eDuplexed Safety Control Unit Core Processing Sub-assembly\u003c\/li\u003e\n\u003cli\u003eNative dual Vnet\/IP control network communications layer\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e-S2121\u003c\/strong\u003e [Hardware \u0026amp; Protection Suite Suffix]\n\u003cul\u003e\n\u003cli\u003eStandard 19-inch rack-mounted form factor chassis\u003c\/li\u003e\n\u003cli\u003eG3-compliant industrial anti-corrosion PCB surface coating\u003c\/li\u003e\n\u003cli\u003eVerified TÜV AK6 \/ SIL3 functional safety software profile\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cstrong\u003eTechnical Specifications Matrix\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBrand:\u003c\/strong\u003e Yokogawa\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eModel Number:\u003c\/strong\u003e \u003cstrong\u003e\u003cspan style=\"color: #003366;\"\u003eSSC50D-S2121\u003c\/span\u003e\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSystem Platform:\u003c\/strong\u003e \u003cstrong\u003e\u003cspan style=\"color: #003366;\"\u003eProSafe-RS Safety Instrumented System\u003c\/span\u003e\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFunctional Type:\u003c\/strong\u003e Duplexed Safety Control Processor Module\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNetwork Protocol:\u003c\/strong\u003e Redundant Vnet\/IP communication bus interface\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eChassis Form Factor:\u003c\/strong\u003e 19-inch standard instrumentation rack mount\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEnvironmental Protection:\u003c\/strong\u003e G3 class conformal anti-corrosion coating\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSafety Certification:\u003c\/strong\u003e TÜV Rheinland AK6 \/ SIL3 compliant capability\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAmbient Operating Limit:\u003c\/strong\u003e −20 to +40 °C continuous execution\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFault-Tolerance Rating:\u003c\/strong\u003e Dual processor hardware lockstep redundancy\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cstrong\u003eTarget Equipment and System Compatibility\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eYokogawa ProSafe-RS safety node cabinets and termination assemblies\u003c\/li\u003e\n\u003cli\u003eCENTUM VP integrated control system environments via Vnet\/IP gateways\u003c\/li\u003e\n\u003cli\u003eProSafe-RS digital input, digital output, and analog safety I\/O modules\u003c\/li\u003e\n\u003cli\u003eStandard 19-inch instrumentation racks matching −20 to 40 °C thermal thresholds\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cstrong\u003eIndustrial Application Scenarios\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eManaging automated Emergency Shutdown (ESD) valves on offshore oil production platforms.\u003c\/li\u003e\n\u003cli\u003eRunning high-speed burner management system (BMS) safety logic on large utility boilers.\u003c\/li\u003e\n\u003cli\u003eOverseeing Fire and Gas (F\u0026amp;G) loop arrays in hydrocarbon processing facilities.\u003c\/li\u003e\n\u003cli\u003eControlling toxic gas mitigation and interlock networks in chemical processing blocks.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cstrong\u003eLogistics, Delivery, and Warranty Provisions\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eInventory Status:\u003c\/strong\u003e In Stock and ready for immediate system deployment\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWarranty Duration:\u003c\/strong\u003e Full 12-Month comprehensive industrial warranty coverage\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOrder Fulfillment:\u003c\/strong\u003e Secure dispatch finalized within 24 to 48 hours of order confirmation\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eGlobal Express Shipping:\u003c\/strong\u003e Priority transit managed via FedEx, UPS, and DHL network routing\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Yokogawa","offers":[{"title":"Default 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